Toshiba e-STUDIO556 Service Manual page 614

Replace the finisher controller PC board.
Replace the punch driver PC board.
[CB90] Paper pushing plate motor abnormality
[Procedure 1]
Is the paper pushing plate home position sensor (PI14S) working normally?
NO
YES
Is the paper pushing plate motor (M8S) operating at the fixed timing?
YES
NO
Is the paper pushing plate drive mechanism normal?
NO
YES
Is the problem solved by replacing the paper pushing plate motor (M8S)?
NO
YES
END
[Procedure 2]
Is the paper pushing plate top position sensor (PI15S) working normally?
NO
YES
Is the paper pushing plate motor (M8S) operating at the fixed timing?
YES
NO
Is there any problem with the paper pushing plate drive mechanism?
YES
NO
Is the problem solved by replacing the paper pushing plate motor (M8S)?
NO
YES
END
e-STUDIO556/656/756/856(Ver03)
ERROR CODE AND TROUBLESHOOTING
Replace the sensor.
Replace the saddle stitcher controller PC board.
Fix the mechanism.
Replace the saddle stitcher controller PC board.
Replace the sensor.
Replace the saddle stitcher controller PC board.
Fix the mechanism.
Replace the saddle stitcher controller PC board.
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